pls help in solving this sum
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Answer:
answer -1/4
Step-by-step explanation:
-9/42+(-5/21)+3/84+1/6
= -3/14-5/21+1/28+1/6
= -9-10/42+3+14/84
= -19/42+17/84
= -38+17/84
= -21/84
= -1/4
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